Table 1.
Variation in physicochemical parameters (pH, electrical conductivity, and salinity) of leachate from TWW-irrigated soils within the Cebela-Borj Touil perimeter.
| S1 |
S2 |
S3 |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unit | Min | Max | M | SD | Min | Max | M | SD | Min | Max | M | SD | |
| pH | Standard | 7.8 | 8.02 | 7.93 | 0.11 | 7.21 | 7.83 | 7.61 | 0.35 | 6.61 | 7.68 | 7.17 | 0.54 |
| EC | dS/m | 1.26 | 1.41 | 1.34 | 0.07 | 2.84 | 3.01 | 2.92 | 0.09 | 3.71 | 4.11 | 3.85 | 0.22 |
| Salinity | mg/L | 1.54 | 1.60 | 1.57 | 0.03 | 1.81 | 1.92 | 1.87 | 0.05 | 1.99 | 3.01 | 2.46 | 0.51 |
Min, minimum; Max, maximum; M, mean; S, standard deviation; EC, electrical conductivity. S1: soil not irrigated with TWW; S2: soil irrigated for 5 years with TWW; S3: soil irrigated for 25 years with TWW. (The results are presented as mean ± standard error of three independent repetitions.).